test: dashboard billing workbench should include bmpa success link

tests/Feature/AdminDashboardBillingWorkbenchShouldIncludeBmpaSuccessQuickLinkTest.php

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+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Cache;
+use Tests\TestCase;
+
+class AdminDashboardBillingWorkbenchShouldIncludeBmpaSuccessQuickLinkTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_dashboard_billing_workbench_should_include_bmpa_success_quick_link(): void
+    {
+        Cache::flush();
+
+        $this->loginAsPlatformAdmin();
+
+        // 清理 seed 中的订单数据，避免 seed 口径变化影响该用例（仅验证仪表盘是否提供入口与计数渲染）
+        PlatformOrder::query()->delete();
+
+        $merchantId = (int) Merchant::query()->value('id');
+
+        // 构造：1 条 BMPA 成功订单（run_id 存在且 error.message 为空）
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchantId,
+            'plan_id' => null,
+            'site_subscription_id' => null,
+            'created_by_admin_id' => null,
+            'order_no' => 'PO_DASH_BMPA_SUCCESS_001',
+            'order_type' => 'new_purchase',
+            'status' => 'pending',
+            'payment_status' => 'unpaid',
+            'payable_amount' => 9,
+            'paid_amount' => 0,
+            'meta' => [
+                'batch_mark_paid_and_activate' => [
+                    'run_id' => 'BMPA_RUN_SUCCESS_001',
+                ],
+            ],
+        ]);
+
+        Cache::flush();
+
+        $res = $this->get('/admin');
+        $res->assertOk();
+
+        // 计数应渲染到按钮文案中
+        $res->assertSee('BMPA成功（1）');
+
+        // 链接应携带 back，并且不应出现 &amp;back=（避免回跳断链）
+        $res->assertSee('bmpa_success_only=1', false);
+        $res->assertSee('back=%2Fadmin', false);
+        $res->assertDontSee('&amp;back=', false);
+    }
+}